Business Details
30 Years
experience
Your Trusted Window & Door Specialists in Croydon
Window Clinic is a family-run home improvement company established in 1996, specialising in high-quality windows, doors, and conservatories across South East London, Kent, and Surrey. With over 20 years of operational history and a director possessing 35 years of industry expertise, we combine traditional craftsmanship with modern materials to deliver secure, energy-efficient solutions. Our product range includes casement, sash, and timber-effect windows, composite and entrance doors, and bi-fold options tailored to period and contemporary properties.As a FENSA-registered and Which? Trusted Trader-accredited business, we prioritise transparency, offering insurance-backed guarantees and fixed pricing with no pushy sales tactics. Our team of skilled installers ensures meticulous workmanship, leaving properties spotless post-installation, while our customer-centric approach mandates final payment only upon complete satisfaction.
Services
Casement windows
Timber effect windows
Sash windows
Secondary glazing
Composite doors
Bi-fold doors
Conservatories
Roofline products
Entrance doors
Patio doors
Details
- Year established: 1996
Highlights and features
- We offer 35 years of specialist expertise in double glazing solutions.
- Our team personally oversees every project to ensure quality standards.
- Fixed pricing guaranteed with no hidden costs or pushy sales tactics.
- Insurance-backed guarantees provided through FENSA registration.
- Specialists in period-appropriate sash window replacements for listed buildings.
Associations and certifications
- FENSA
- Which? Trusted Trader
What people say
Expert advice
35 years experience
Best price guarantee
No pushy sales
Quality installations
Services
Casement windows
Secure and energy-efficient casement windows in uPVC, aluminium, or timber. Customisable with various colours, decorative glazing, and opening options to suit all property types. Installed by certified professionals for optimal thermal performance and security.
Sash windows
Traditional sliding sash windows in painted timber or uPVC. Designed for Victorian and Georgian homes with internal architraves, window boards, and authentic hardware. Combines classic aesthetics with modern energy efficiency standards.
Composite doors
Solid wood core composite doors with fibreglass coating for weather resistance. Achieve Secured by Design accreditation with fade-resistant colours and enhanced security features for front and back entrances.
Bi-fold doors
Aluminium bi-fold doors creating seamless indoor-outdoor living spaces. Ideal for conservatories and living areas, these doors provide thermal efficiency and secure locking systems with minimal visual obstruction.
Secondary glazing
Additional glazing layer for single-glazed windows. Improves thermal efficiency and reduces noise pollution using noise-cancelling glass, particularly effective for kerbside windows in urban environments.
People
Graham
Director
With over 35 years in the double glazing industry, Graham oversees all projects personally. His expertise ensures quality installations while maintaining the company's commitment to customer satisfaction and competitive pricing.
Questions
What areas do you serve?
We operate across South East London, Kent, and Surrey, including Croydon, Selhurst, Thornton Heath, and South Norwood.
Are your installations FENSA-certified?
Yes, all our window and door installations come with FENSA registration and insurance-backed guarantees.
Do you offer period-appropriate window replacements?
We specialise in traditional timber-look uPVC sash windows suitable for Georgian, Victorian, and Edwardian properties.
How long does installation take?
Our efficient team typically completes installations within 4-6 weeks from order confirmation, depending on project complexity.
What payment options are available?
We require a deposit via FENSA with final payment due upon 100% customer satisfaction post-installation.
Reviews (3)
Luke Fisher
Dec 28, 2020
Report
Just had a set of hardwood French doors fitted. Fantastic quality product and I could not fault the installation team, very professional, polite, tidy, and a great fit and finish. really recommend.
Will Howlett
Dec 20, 2019
Report
From the initial site measurements through to installation the service and communication was excellent. The turnaround time was surprisingly quick and the end products really good quality. Were in the middle of a full house renovation and it was great to have one less thing to worry about and be taken care of by a safe pair of hands. Very happy
Emily Strachan
Nov 24, 2018
Report
I had my kitchen window done. The fitter turned up as scheduled
The guy was so professional. He got on with it no fuss. The end he did a brilliant job. The windows look amazing. Can't fault this company. Would recommend all day long. Thank you
The guy was so professional. He got on with it no fuss. The end he did a brilliant job. The windows look amazing. Can't fault this company. Would recommend all day long. Thank you
